15271263

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1087}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 25346048

約数和(自身を除く): 10074785

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1087, 1561, 2007, 3261, 4683, 7609, 9783, 14049, 22827, 68481, 242401, 727203, 1696807, 2181609, 5090421, 15271263]

約数ペア:

[(1, 15271263), (3, 5090421), (7, 2181609), (9, 1696807), (21, 727203), (63, 242401), (223, 68481), (669, 22827), (1087, 14049), (1561, 9783), (2007, 7609), (3261, 4683)]